New supplement shows promise for stronger muscles in seniors

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 60 years or older and younger than 80 years (male or female) who meet the inclusion criteria and do not meet any exclusion criteria * Body Mass Index (BMI) between 18.5 and 30.0 kg/m² * Skeletal muscle mass less than 110% of standard value measured by Bioelectrical Impedance Analysis (BIA) * Reduced handgrip strength in the dominant hand based on age- and sex-specific criteria: (Ages 60-69) Males ≤38.5 kg, Females ≤24.1 kg; (Ages 70-79) Males ≤33.2 kg, Females ≤20.9 kg * Capable of normal physical activity and voluntarily providing written informed consent to participate in this study Exclusion Criteria: * History of bone fracture within the past 1 year * Serum creatinine greater than 2 times the upper limit of normal at the study site * AST (GOT) or ALT (GPT) greater than 2 times the upper limit of normal at the study site * Current diabetes mellitus or fasting blood glucose ≥126 mg/dL * Uncontrolled hyperthyroidism or hypothyroidism * Uncontrolled hypertension (blood pressure ≥160/100 mmHg) * Currently taking medication for psychiatric disorders (except for intermittent use for sleep disorders) * Participation in another drug clinical trial within 1 month prior to screening * Regular consumption (≥4 times/week) of probiotics or fermented dairy products (yogurt, cheese, etc.) within 2 weeks prior to screening * Use of medications or health functional foods related to muscle function within 1 month prior to screening (refer to prohibited concomitant medications) * History of gastrointestinal resection surgery (except appendectomy) * Pregnant or lactating women, or women planning to become pregnant during the study period * Known allergy to any component of the study product * History of alcohol abuse * Asthma or obstructive/restrictive pulmonary disease that may affect lung volume * Uncooperative attitude or any condition that, in the investigator's judgment, would make the participant unsuitable for the study